20516637

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 11002083

約数列:

[1, 3, 17, 19, 31, 51, 57, 93, 323, 527, 589, 683, 969, 1581, 1767, 2049, 10013, 11611, 12977, 21173, 30039, 34833, 38931, 63519, 220609, 359941, 402287, 661827, 1079823, 1206861, 6838879, 20516637]

約数ペア:

[(1, 20516637), (3, 6838879), (17, 1206861), (19, 1079823), (31, 661827), (51, 402287), (57, 359941), (93, 220609), (323, 63519), (527, 38931), (589, 34833), (683, 30039), (969, 21173), (1581, 12977), (1767, 11611), (2049, 10013)]